
\begin{center}
\begin{fminipage}[t]{0.45\linewidth}
\begin{center}Input Code Block
\rule{0.75\textwidth}{1pt}
\end{center}
\begin{cudablock}
///// decl	
int id; //tid_d
int p; //np_h
int rootp; //const_b
int n; //const_b
///// *decl

///// init	
rootp=0;
n=atoi(argv[3]);
///// *init
\end{cudablock} 
\end{fminipage}
\hspace{0.05cm}
\begin{fminipage}[t]{0.45\linewidth}
\begin{center}Output Code Block
\rule{0.75\textwidth}{1pt}
\end{center}
\begin{cudablock}
///// decl	
int id; //tid_d
int p; //np_h
int rootp; //const_b
int n; //const_b
///// *decl

///// init	
rootp=0;
n=atoi(argv[3]);
///// *init
\end{cudablock} 
\end{fminipage}
\end{center}
